<template>
    <div>
        <Header show-left show-right fixed @handle-left="goBack" />
        <h2>?????</h2>
    </div>
</template>
<script>
    import Header from '@/component_basics/Header';
    export default {
        components: { // 组件

            Header,
        },
        methods: {
            goBack() {
                window.history.length > 1
                    ? this.$router.go(-1)
                    : this.$router.push('/');
            },
        },
    };
</script>
